/* ═══ Header & Navigation ═══ */

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: var(--z-toast);
    padding: var(--space-3) var(--space-6);
    background: var(--color-primary);
    color: var(--surface-dark);
    font-weight: var(--font-semibold);
    border-radius: var(--radius-md);
    transition: top var(--transition-fast);
}
.skip-link:focus {
    top: var(--space-4);
}

/* Scroll progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--color-primary);
    z-index: calc(var(--z-sticky) + 1);
    transition: width 50ms linear;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition-normal), box-shadow var(--transition-normal);
}
.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.navbar {
    height: 72px;
}
.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-6);
}

/* Logo */
.navbar-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
.navbar-logo img {
    height: 36px;
    width: auto;
}

/* Nav list */
.nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    list-style: none;
    margin: 0;
    padding: 0;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: color var(--transition-fast), background var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
}
.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: var(--gold-50);
}
.nav-link svg {
    transition: transform var(--transition-fast);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}
.dropdown-panel {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    background: var(--surface-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--space-4);
    min-width: 520px;
    transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
    z-index: var(--z-dropdown);
}
.nav-dropdown:hover .dropdown-panel,
.nav-dropdown:focus-within .dropdown-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown:hover .nav-link svg {
    transform: rotate(180deg);
}
.dropdown-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-1);
}
.dropdown-item {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast), color var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
}
.dropdown-item:hover {
    background: var(--gold-50);
    color: var(--color-primary);
}

/* Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

/* Language toggle */
.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--gray-600);
    background: none;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}
.lang-toggle:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* Language dropdown */
.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--surface-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}
.lang-dropdown.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.lang-option {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    color: var(--gray-700);
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast);
}
.lang-option:hover {
    background: var(--gold-50);
    color: var(--color-primary);
}

/* CTA button in nav */
.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--surface-dark);
    background: var(--color-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
    text-decoration: none;
    cursor: pointer;
}
.nav-cta:hover {
    background: var(--color-primary-hover);
    color: var(--surface-dark);
    box-shadow: var(--shadow-gold);
}

/* Mobile toggle */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--space-2);
    cursor: pointer;
    color: var(--gray-700);
}
.toggle-close {
    display: none;
}
.mobile-toggle.is-open .toggle-open {
    display: none;
}
.mobile-toggle.is-open .toggle-close {
    display: inline;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .nav-list {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(100vh - 72px);
        height: calc(100dvh - 72px);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--surface-white);
        padding: var(--space-4);
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        overflow-y: auto;
        z-index: var(--z-overlay);
    }
    .nav-list.is-open {
        transform: translateX(0);
    }
    .nav-link {
        font-size: var(--text-base);
        padding: var(--space-3) var(--space-4);
    }
    .dropdown-panel {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        box-shadow: none;
        border: none;
        padding: 0 0 0 var(--space-4);
        min-width: auto;
        display: none;
    }
    .nav-dropdown.is-open .dropdown-panel {
        display: block;
    }
    .dropdown-grid {
        grid-template-columns: 1fr;
    }
    .mobile-toggle {
        display: flex;
    }
    .nav-cta {
        display: none;
    }
}